CN217269424U

CN217269424U - Clutch assembly and electronic lock

Info

Publication number: CN217269424U
Application number: CN202121327772.8U
Authority: CN
Inventors: 王妙玉; 黄冠良; 柏小军; 邓建平
Original assignee: Guangdong Hotata Smart Home Co Ltd
Current assignee: Guangdong Hotata Smart Home Co Ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-08-23
Anticipated expiration: 2031-06-15

Abstract

The utility model provides a clutch assembly, include: the clutch piece is movably arranged on the first shifting piece; the driving device is used for driving the clutch piece to move relative to the first shifting piece so as to switch between an engagement position and a separation position; the second shifting piece is provided with a first clutch part; one of the first shifting piece and the second shifting piece is a driving part, and the other one is a driven part; when the clutch piece is positioned at the engaging position, the clutch piece can be abutted against the first clutch part along with the rotation of the driving piece so as to drive the driven piece to rotate along with the driving piece; when the clutch piece is positioned at the separation position, the clutch piece and the driving piece are kept staggered, and the clutch assembly has a simple and reliable structure, is convenient to process, manufacture and assemble, and is not easy to generate jam and unsmooth movement. The utility model also provides an electronic lock, including the lock body, the lock body includes: the clutch assembly described above; the driven part is in transmission connection with the lock tongue; the operating device is connected with the driving piece; and the controller is used for controlling the action of the driving device.

Description

Clutch assembly and electronic lock

Technical Field

The utility model relates to a tool to lock field, in particular to clutch assembly and electronic lock.

Background

The electronic lock wide application utilizes electronic control to realize the separation and reunion control of plectrum and handle usually on the lock, combines through mode control clutch assembly such as password, fingerprint, response card, bluetooth discernment during the use, rotates the handle again and can realize the switch lock. In the existing electronic lock, the structure of the clutch component is complex, the size is large, the failure rate is high, the electronic lock is too large, and the electronic lock is not easy to install. In addition, in the existing electronic lock, the clutch component in the clutch assembly is usually installed on the lock shell, and the situation that the clutch component is not smooth to move and jammed easily occurs after long-time use, so that the use of the electronic lock is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a simple structure reliable, the clutch assembly and the electronic lock of being convenient for processing and assembly.

In order to achieve the above object, the utility model adopts the following technical scheme:

provided is a clutch assembly including:

the clutch piece is movably arranged on the first shifting piece;

the driving device is used for driving the clutch piece to move relative to the first shifting piece so as to switch between an engaging position and a separating position;

the second shifting piece is rotatable, and a first clutch part is arranged on the second shifting piece;

one of the first shifting piece and the second shifting piece is a driving piece which can be driven by external force to rotate, and the other one is a driven piece; when the clutch piece is positioned at the engaging position, the clutch piece can be abutted against the first clutch part along with the rotation of the driving piece so as to drive the driven piece to rotate along with the driving piece; when the clutch member is in the disengaged position, the clutch member and the driving member remain misaligned during rotation of the driving member.

Preferably, a sliding hole is formed in the first shifting piece, a sliding portion is arranged on the clutch piece, and the sliding portion is arranged in the sliding hole in a sliding mode so that the clutch piece can be movably arranged on the first shifting piece.

Preferably, the clutch member is provided with two limiting grooves respectively located on two sides of the sliding portion, the two limiting grooves are respectively matched with two side edges of the sliding hole, and the two side edges of the sliding hole are respectively inserted into the two limiting grooves.

Preferably, the driving device comprises a driving motor and a shifting lever, the shifting lever is provided with a shifting section which is in sliding connection with the clutch piece, the shifting section is arc-shaped, the central axis of the shifting section is overlapped with the rotating shaft of the first shifting piece, and the driving motor is used for driving the shifting lever to move so that the shifting lever pushes the clutch piece to move.

Preferably, the poking section is a circular arc-shaped poking plate, a poking groove matched with the poking plate is formed in the clutch piece, and the poking plate is inserted in the poking groove to enable the poking rod to be in sliding connection with the clutch piece.

Preferably, the driving device further comprises an elastic member, and the driving motor drives the shift lever to move through the elastic member.

Preferably, the driving device further comprises a driving rod, the elastic member is a spring, the spring is mounted on the shift lever, the driving rod is inserted in the spring and is driven by the driving motor to rotate, and the driving rod is provided with a lateral protrusion and a driving column inserted between two adjacent sections of the spring.

Preferably, the first shifting piece is a driven piece, and the second shifting piece is a driving piece; the third shifting piece can be driven by external force to rotate, a first linkage part is arranged on the first shifting piece, a second linkage part is arranged on the third shifting piece, and the second linkage part is abutted against or connected with the first linkage part so that the third shifting piece can be driven to rotate when rotating.

Preferably, the third shifting piece is provided with a second clutch part, the second clutch part can abut against the clutch piece along with the rotation of the third shifting piece when the clutch piece is in the engaging position so as to drive the first shifting piece to rotate, and when the clutch piece is in the disengaging position, the clutch piece and the third shifting piece are kept staggered in the rotating process of the third shifting piece; the second linkage part is a linkage part which is detachably arranged on the third shifting piece, the linkage part can be arranged on the second shifting piece after being detached from the third shifting piece, and the linkage part is abutted against or connected with the first linkage part when being arranged on the second shifting piece, so that the second shifting piece can be driven to rotate when rotating.

The utility model also provides an electronic lock, including a lock body, the lock body includes:

the clutch assembly described above;

the driven part is in transmission connection with the bolt, so that the rotation of the driven part can drive the bolt to move and retract;

the operating device is connected with the driving part and can drive the driving part to rotate;

and the controller is used for receiving an external control signal and controlling the action of the driving device according to the external control signal.

The beneficial effects of the utility model reside in that: the utility model provides a clutch assembly, drive arrangement can drive the clutch piece and remove on first plectrum in order to realize with the second plectrum on the joint and the separation of first separation and reunion portion, the separation and reunion of consequently steerable first plectrum and second plectrum promptly, moreover, simple structure is reliable, also help reducing the volume of this clutch assembly simultaneously, be convenient for manufacturing and assembly, furthermore, in this clutch assembly, clutch piece is mobilizable to be installed on first plectrum, in using, can avoid the clutch piece and the lock shell contact of electronic lock, difficult jam and motion are not smooth to appear, can effectively reduce the fault rate, it is more reliable. The utility model provides an electronic lock has adopted foretell clutch assembly, and driving part and follower in first plectrum and the second plectrum are connected with operating means and spring bolt respectively, make from this the controller can pass through drive arrangement control operating means with the separation and reunion, simple structure is reliable, is difficult for breaking down, the manufacturing and the assembly of being convenient for also can effectively reduce the trouble because of the unsmooth causes such as separation and reunion spare and lock shell simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

FIG. 1 is a schematic diagram of a preferred embodiment of a clutch assembly according to the present invention in a disengaged state;

FIG. 2 is a block diagram of a preferred embodiment of the clutch assembly of the present invention in an engaged state;

FIG. 3 is an exploded view of the preferred embodiment of the clutch assembly of the present invention;

FIG. 4 is an internal structural view of a driving device in a preferred embodiment of the clutch assembly of the present invention;

FIG. 5 is an exploded view of the drive assembly of the preferred embodiment of the clutch assembly of the present invention;

FIG. 6 is a schematic structural view of a preferred embodiment of the electronic lock of the present invention;

fig. 7 is a partially exploded view of the preferred embodiment of the electronic lock of the present invention.

Wherein, in the figures, the various reference numbers:

10. a first plectrum; 11. a slide hole; 12. a first linkage section; 13. a push rod; 20. a second plectrum; 21. A first clutch section; 30. a drive device; 31. a drive motor; 32. a deflector rod; 321. a poking plate; 33. a drive rod; 331. a drive column; 34. a spring; 35. a gear change group; 40. a clutch member; 41. a sliding part; 42. A limiting groove; 43. a poking groove; 50. a third plectrum; 51. a second clutch section; 61. a linkage member; 62. a square hole; 63. a screw hole; 71. a latch bolt; 72. and a back locking mechanism.

Detailed Description

In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 5, a preferred embodiment of a clutch assembly of the present invention includes: the first shifting piece 10 is rotatable, and a clutch piece 40 is movably arranged on the first shifting piece 10; a driving device 30 for driving the clutch member 40 to move relative to the first paddle 10 to switch between an engaged position and a disengaged position; a rotatable second shifting piece 20, wherein a first clutch part 21 is arranged on the second shifting piece 20; one of the first plectrum 10 and the second plectrum 20 is a driving part which can be driven by external force to rotate, and the other one is a driven part; when the clutch member 40 is located at the engaging position, the clutch member 40 can abut against the first clutch part 21 to drive the driven member to rotate along with the driving member along with the rotation of the driving member; when the clutch 40 is in the disengaged position, the clutch 40 and the driving member remain misaligned during rotation of the driving member. The utility model provides a clutch assembly, drive arrangement 30 can drive clutch 40 and move on first plectrum 10 in order to realize with second plectrum 20 on the joint and the separation of first separation and reunion portion 21, the separation and reunion of steerable first plectrum 10 and second plectrum 20 promptly from this, moreover, in this clutch assembly, clutch 40 is mobilizable to be installed on first plectrum 10, in using, can avoid the lock shell contact of clutch 40 and electronic lock, be difficult for appearing the jam and not smooth with the motion, can effectively reduce the fault rate, and is more reliable.

As a preferred embodiment of the clutch assembly of the present invention, it may also have the following additional technical features:

in this embodiment, the first paddle 10 and the second paddle 20 are both flat, the first clutch portion 21 is a convex portion of the side edge of the second paddle 20, and the first paddle 10 and the second paddle 20 are close to each other, so that the thickness and the volume of the clutch assembly can be further reduced.

In the present embodiment, the second paddle 20 serves as a driving member and the first paddle 10 serves as a driven member, but in other embodiments, the two may be interchanged.

Referring to fig. 1 to 3, in the present embodiment, a sliding hole 11 is formed on the first paddle 10, a sliding portion 41 is formed on the clutch member 40, and the sliding portion 41 is slidably disposed in the sliding hole 11 to movably dispose the clutch member 40 on the first paddle 10, so that the structure of the clutch assembly can be further simplified, and the clutch assembly can be easily processed and assembled. In other embodiments, the clutch member 40 can be movably disposed on the first paddle 10 by other common structures, such as a sliding bar mechanism, a sliding rail mechanism, etc., but is not limited thereto.

The clutch member 40 is provided with two limiting grooves 42 respectively positioned on two sides of the sliding part 41, the two limiting grooves 42 are respectively matched with two side edges of the sliding hole 11, the two side edges of the sliding hole 11 are respectively inserted into the two limiting grooves 42, the two limiting grooves 42 can limit the clutch member 40, the clutch member 40 is prevented from loosening, the failure rate can be effectively reduced, the structure is simple and reliable, and the processing and the assembly are convenient.

Referring to fig. 1 to 5, in this embodiment, the driving device 30 includes a driving motor 31 and a shift lever 32, the shift lever 32 has a shift section in sliding connection with the clutch component 40, the shift section is arc-shaped, and a central axis of the shift section coincides with a rotation axis of the first shift plate 10, the driving motor 31 is configured to drive the shift lever 32 to move so that the shift lever 32 pushes the clutch component 40 to move, in a process of rotating the first shift plate 10, the clutch component 40 can slide along the arc-shaped shift section, so that the clutch component 40 can be maintained at a joint position, a misalignment is not easy to occur, and reliability of the clutch component can be effectively improved.

In this embodiment, the toggle section is a circular arc-shaped toggle plate 321, the clutch member 40 is provided with a toggle groove 43 adapted to the toggle plate 321, and the toggle plate 321 is inserted into the toggle groove 43 to slidably connect the toggle lever 32 with the clutch member 40. In other embodiments, the toggle section can be connected to the clutch 40 by other common structures, such as a sliding rod structure, a sliding rail structure, etc., but not limited thereto.

In other embodiments, the driving device 30 can also use other suitable structures such as a rack and pinion mechanism driven by a motor, a link mechanism, etc. to drive the clutch member 40 to move, but is not limited to this.

The driving device 30 further includes an elastic member, the driving motor 31 drives the shift lever 32 to move through the elastic member, and the elastic member can also play a role in buffering when an accident occurs, for example, when the clutch member 40 is located at the separation position, the second shift plate 20 has rotated to align the first clutch portion 21 with the clutch member 40, at this time, if the driving motor 31 is started, the clutch member 40 will laterally abut against the first clutch portion 21, in this case, the elastic member can absorb the driving force of the driving motor 31 to prevent the driving device 30 from being stuck and damaged, and in addition, the elastic member also has a force accumulation function, when the movement of the shift lever 32 is blocked due to factors such as dust blockage, aging, and corrosion, and the like, the elastic member can accumulate the force to gradually increase the driving force of the shift lever 32 with the continuous driving of the driving motor 31, so that the shift lever 32 can automatically overcome the blockage under certain conditions, the clutch action is completed, so that the self-discharging capacity of the fault is stronger.

In this embodiment, the driving device 30 further includes a driving rod 33, the elastic element is a spring 34, the spring 34 is mounted on the shift lever 32, the driving rod 33 is inserted in the spring 34 and is driven by the driving motor 31 to rotate, the driving rod 33 is provided with a lateral protrusion and a driving post 331 inserted between two adjacent segments of the spring 34, so that when the driving motor 31 rotates the driving rod 33, the driving post 331 can drive the shift lever 32 to move through the spring 34, on one hand, the structures of the driving rod 33 and the shift lever 32 can be simplified, and the processing is convenient. In other embodiments, the driving motor 31 may also use other common elastic members such as elastic pad, elastic rope, etc. to drive the shift lever 32 to move, or the driving device 30 may also use other common structures such as screw transmission mechanism, rack and pinion mechanism, etc. to drive the shift lever 32 to move, but is not limited to this. In addition, in the present embodiment, the driving motor 31 is connected to the driving rod 33 through a gear change set 35, which can provide a larger output torque, and is more reliable and practical.

Referring to fig. 1 to 3, in this embodiment, the door further includes a rotatable third dial plate 50, the third dial plate 50 is driven by an external force to rotate, the first dial plate 10 is provided with a first linkage portion 12, the third dial plate 50 is provided with a second linkage portion, the second linkage portion is in contact with or connected to the first linkage portion 12, so that the third dial plate 50 can be driven to rotate when rotating, that is, the third dial plate 50 can keep linkage with the first dial plate 10 by using the first linkage portion 12 and the second linkage portion, and in application, the third dial plate 50 can be used to connect with a handle inside the door, so that a clutch assembly is not needed to be used to connect when the door is opened inside the door, and the second dial plate 20 is used to connect with a handle outside the door, so that the door can be used conveniently.

First plectrum 10, second plectrum 20 and the coincidence of the rotation center axle of third plectrum 50 three, the assembly of being convenient for, the setting of the first linkage portion 12 of also being convenient for, second linkage portion and first separation and reunion portion 21 is favorable to reducing this clutch assembly's volume, is provided with aligned square hole 62 on second plectrum 20 and the third plectrum 50, is convenient for come to be connected with the handle etc. through the square pole, is convenient for install and use.

In this embodiment, the third paddle 50 is provided with a second clutch portion 51, the second clutch portion 51 can abut against the clutch member 40 with the rotation of the third paddle 50 when the clutch member 40 is in the engagement position to drive the first paddle 10 to rotate, and when the clutch member 40 is in the disengagement position, the clutch member 40 and the third paddle 50 are kept staggered in the rotation process of the third paddle 50; the second linkage part is a linkage part 61 detachably arranged on the third shifting piece 50, the linkage part 61 can be arranged on the second shifting piece 20 after being detached from the third shifting piece 50, and the linkage part 61 is arranged on the second shifting piece 20 and is abutted against or connected with the first linkage part 12 to drive the first shifting piece 10 to rotate when the second shifting piece 20 rotates, namely the third shifting piece 50 and the second shifting piece 20 adopt the same structure in the embodiment, the position of the linkage part 61 can be changed according to the requirement in the use process, so that the functions of the third shifting piece 50 and the second shifting piece 20 are exchanged, and particularly in the application, the shifting piece connected with the handle at the inner side of the door can be ensured to keep the linkage with the first shifting piece 10 by adjusting the installation position of the linkage part 61 according to the actual installation condition, and the shifting piece connected with the handle at the outer side of the door needs to be clutched by the clutch part 40, the use is more nimble, is convenient for install and use. In this embodiment, the linkage 61 is a screw, and the screw holes 63 for mounting the linkage 61 are provided on the second paddle 20 and the third paddle 50, so that the structure is simple, the processing and the dismounting are convenient, and in other embodiments, the linkage 61 may also be of other suitable structures, but is not limited thereto.

In this embodiment, the first paddle 10, the second paddle 20 and the third paddle 50 are sequentially arranged, so that the assembly is convenient, and the reduction of the space occupied by the clutch assembly is facilitated, in other embodiments, the sequence of the first paddle 10, the second paddle 20 and the third paddle 50 can also be flexibly adjusted as required.

The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.

Referring to fig. 6 and 7, the utility model also provides an electronic lock, including the lock body, the lock body includes: the clutch assembly described above; the bolt 71 can extend and retract movably, and the driven piece is in transmission connection with the bolt 71 so that the rotation of the driven piece can drive the bolt 71 to move and retract; the operating device is connected with the driving part and can drive the driving part to rotate; and a controller for receiving an external control signal and controlling the operation of the driving device 30 accordingly. The utility model provides an electronic lock has adopted the utility model provides a clutch assembly, driving part and follower in first plectrum 10 and the second plectrum 20 are connected with operating means and spring bolt 71 respectively, make the controller can control operating means and separation and reunion through drive arrangement 30 from this, and simple structure is reliable, and difficult breaking down is convenient for manufacturing and assembly, also can effectively reduce the trouble because of unsmooth causes such as clutch 40 and lock shell simultaneously.

In the present embodiment, the first paddle 10 pushes the latch 71 to move through the push rod 13 extending from the side end thereof, and in other embodiments, the first paddle 10 may also adopt other common transmission structures to be in transmission connection with the transmission, which is not limited to this.

The lock body is widely applied in the field, in this embodiment, the lock body further comprises other common structures such as a back locking mechanism 72, the controller can adopt signal input modes such as password, fingerprint, induction card and bluetooth identification as required, the operating device can adopt common operating structures such as a handle and a lock cylinder, the common operating structures can be connected with the second plectrum 20 and the third plectrum 50 through a square rod inserted in the square hole 62, and the lock body can be flexibly selected by technicians in the field as required without being limited thereto.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A clutch assembly, comprising:

the clutch mechanism comprises a rotatable first shifting piece (10), wherein a clutch piece (40) is movably arranged on the first shifting piece (10);

-drive means (30) for driving said clutch member (40) in a movement with respect to said first finger (10) to switch between an engaged position and a disengaged position;

the second rotatable shifting piece (20), wherein a first clutch part (21) is arranged on the second shifting piece (20);

one of the first plectrum (10) and the second plectrum (20) is a driving part which can be driven by external force to rotate, and the other one is a driven part; when the clutch piece (40) is positioned at the engaging position, the clutch piece (40) can be abutted with the first clutch part (21) along with the rotation of the driving piece so as to drive the driven piece to rotate along with the driving piece; when the clutch member (40) is in the disengaged position, the clutch member (40) and the driving member remain misaligned during rotation of the driving member.

2. A clutch assembly according to claim 1, characterized in that the first finger (10) is provided with a sliding hole (11), the clutch member (40) is provided with a sliding portion (41), and the sliding portion (41) is slidably arranged in the sliding hole (11) to movably arrange the clutch member (40) on the first finger (10).

3. A clutch assembly according to claim 2, characterized in that the clutch member (40) is provided with two limiting grooves (42) respectively located at two sides of the sliding portion (41), the two limiting grooves (42) are respectively matched with two side edges of the sliding hole (11), and two side edges of the sliding hole (11) are respectively inserted into the two limiting grooves (42).

4. The clutch assembly according to claim 1, wherein the driving device (30) comprises a driving motor (31) and a shift lever (32), the shift lever (32) has a shift section slidably connected to the clutch member (40), the shift section has a circular arc shape and a central axis thereof coincides with the rotation axis of the first shift plate (10), and the driving motor (31) is configured to drive the shift lever (32) to move so that the shift lever (32) pushes the clutch member (40) to move.

5. A clutch assembly according to claim 4, characterized in that the toggle section is a circular arc-shaped toggle plate (321), the clutch member (40) is provided with a toggle groove (43) matched with the toggle plate (321), and the toggle plate (321) is inserted in the toggle groove (43) to connect the toggle rod (32) and the clutch member (40) in a sliding manner.

6. Clutch assembly according to claim 4, wherein the drive means further comprise an elastic member, and the drive motor (31) drives the shift lever (32) to move through the elastic member.

7. Clutch assembly according to claim 6, wherein the drive means (30) further comprise a drive rod (33), the elastic element being a spring (34), the spring (34) being mounted on the lever (32), the drive rod (33) being inserted in the spring (34) and being rotatable by the drive motor (31), the drive rod (33) being provided with lateral projections and a drive post (331) inserted between two adjacent segments of the spring (34).

8. A clutch assembly according to claim 1, characterized in that said first finger (10) is a driven member and said second finger (20) is a driving member; the novel mechanical hand is characterized by further comprising a rotatable third shifting piece (50), wherein the third shifting piece (50) can be driven by external force to rotate, a first linkage part (12) is arranged on the first shifting piece (10), a second linkage part is arranged on the third shifting piece (50), and the second linkage part is abutted or connected with the first linkage part (12) to enable the third shifting piece (50) to drive the first shifting piece (10) to rotate when the third shifting piece (50) rotates.

9. A clutch assembly according to claim 8, characterized in that the third finger (50) is provided with a second clutch portion (51), the second clutch portion (51) being adapted to abut against the clutch member (40) with rotation of the third finger (50) when the clutch member (40) is in the engaged position to rotate the first finger (10), and the clutch member (40) and the third finger (50) being maintained out of alignment during rotation of the third finger (50) when the clutch member (40) is in the disengaged position; the second linkage part is a linkage piece (61) detachably arranged on the third shifting piece (50), the linkage piece (61) can be arranged on the second shifting piece (20) after being detached from the third shifting piece (50), and the linkage piece (61) is abutted against or connected with the first linkage part (12) when being arranged on the second shifting piece (20) so as to drive the first shifting piece (10) to rotate when the second shifting piece (20) rotates.

10. An electronic lock, comprising a lock body, the lock body comprising:

a clutch assembly as claimed in any one of claims 1 to 9;

a bolt (71) capable of movably extending and retracting, wherein the driven member is in transmission connection with the bolt (71), so that the rotation of the driven member can drive the bolt (71) to move and retract;

and the controller is used for receiving an external control signal and controlling the action of the driving device (30) according to the external control signal.